Cardiovascular System

Blood

How often can blood be donated?

As long as the potential donor is in good health, whole blood may be donated every 50 days. Plasma may be donated twice a week, and platelets may be donated a maximum of 24 times per year.



Close

This is a web preview of the "The Handy Anatomy Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App